856554447

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{16141}}^1$

素因数の和:16196

約数の個数: 36

約数和(自身を含む): 1402223256

約数和(自身を除く): 545668809

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 2527, 2793, 7581, 16141, 17689, 48423, 53067, 112987, 306679, 338961, 790909, 920037, 2146753, 2372727, 5826901, 6440259, 15027271, 17480703, 40788307, 45081813, 122364921, 285518149, 856554447]

約数ペア:

[(1, 856554447), (3, 285518149), (7, 122364921), (19, 45081813), (21, 40788307), (49, 17480703), (57, 15027271), (133, 6440259), (147, 5826901), (361, 2372727), (399, 2146753), (931, 920037), (1083, 790909), (2527, 338961), (2793, 306679), (7581, 112987), (16141, 53067), (17689, 48423)]